Group President of Caterpillar Inc., a maker of construction and mining equipment, diesel and natural gas engines and industrial gas turbines. Mr. Oberhelman joined Caterpillar in 1975. He was elected a Vice President in 1995 when he served as Caterpillar's Chief Financial Officer. In 1998, he accepted leadership of Caterpillar's Engine Products Division. Mr. Oberhelman was elected a Group President in 2001 and has responsibility for Caterpillar's diesel engine business; remanufacturing division; corporate human relations division; and North American sales and marketing divisions. Director of the Company since 2003.